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The product is installed at the inner end of the protective area on the drainpipe leading to the area of human protection. It is usually closed. The core is placed in the valve chamber ａnd rotated about 60 degrees clockwise so that the lock can be safely closed. When the area is contaminated during the war, the drain will be opened ａnd drained 该产品安装于通向人防护区外的排水管上的防护区内端，平时处于关闭状态，将该漏芯放置在阀腔里，并顺时针方向旋转约60度即可安全密闭锁紧（反之逆时针方向旋转60度即可退出）密闭时可防止爆炸冲击波及其它毒气体由管道进入防护体，起到安全防护作用。战时该地段染毒需进行清洗时，将地漏打开，进行排水
The product is installed at the inner end of the protective area on the drainpipe leading to the area of human protection. It is usually closed. The core is placed in the valve chamber ａnd rotated about 60 degrees clockwise so that the lock can be safely closed. When the area is contaminated during the war, the drain will be opened ａnd drained
该产品安装于通向人防护区外的排水管上的防护区内端，平时处于关闭状态，将该漏芯放置在阀腔里，并顺时针方向旋转约60度即可安全密闭锁紧（反之逆时针方向旋转60度即可退出）密闭时可防止爆炸冲击波及其它毒气体由管道进入防护体，起到安全防护作用。战时该地段染毒需进行清洗时，将地漏打开，进行排水
The product is installed at the inner end of the protective area on the drainpipe leading to the area of human protection. It is usually closed. The core is placed in the valve chamber ａnd rotated about 60 degrees clockwise so that the lock can be safely closed. When the area is contaminated during the war, the drain will be opened ａnd drained
该产品安装于通向人防护区外的排水管上的防护区内端，平时处于关闭状态，将该漏芯放置在阀腔里，并顺时针方向旋转约60度即可安全密闭锁紧（反之逆时针方向旋转60度即可退出）密闭时可防止爆炸冲击波及其它毒气体由管道进入防护体，起到安全防护作用。战时该地段染毒需进行清洗时，将地漏打开，进行排水
The product is installed at the inner end of the protective area on the drainpipe leading to the area of human protection. It is usually closed. The core is placed in the valve chamber ａnd rotated about 60 degrees clockwise so that the lock can be safely closed. When the area is contaminated during the war, the drain will be opened ａnd drained
The product is installed at the inner end of the protective area on the drainpipe leading to the area of human protection. It is usually closed. The core is placed in the valve chamber ａnd rotated about 60 degrees clockwise so that the lock can be safe
